Fastening device



FIG. 1 is a top front perspective view of a fastening device showing our new design.

FIG. 2 is a bottom front perspective view of the invention.

FIG. 3 is a top plan view of FIG. 1.

FIG. 4 is a front elevation view of FIG. 1.

FIG. 5 is a left side elevation view of FIG. 1, the right side being a mirror image thereof.

FIG. 6 is a rear elevation view of FIG. 1; and,

FIG. 7 is a bottom plan view of FIG. 1.

The broken lines in the figures depict portions of the fastening device that form no part of the claimed design. Additional broken lines in FIG. 1 depict environment that is not part of the claimed design. 

CLAIM The ornamental design for a fastening device, as shown and described. 